import jdk.swing.interop.SwingInterOpUtils;

import java.util.Scanner;
public class homeworlk {

    public static void main(String[] args) {
//        Test test=null;
//        test.hello();

        Scanner scanner = new Scanner(System.in);
        while (scanner.hasNextInt()) {
            int x = scanner.nextInt();
            int y = scanner.nextInt();
            Data data = new Data(x, y);
            System.out.println(data.getX() + data.getY());
            System.out.println("===============");
        }
    }
}

    class Data {
        //    这些是成员变量
        public int x;
        public int y;

        //这个是构造方法
        public Data(int x, int y) {
            this.x = x;  //使用this关键字，防止形参自己给自己赋值
            this.y = y;
        }

        public int getX() {
            return x;
        }

        public int getY() {
            return y;
        }
    }


    class Test {
        public static void hello() {
            System.out.println("hello");
        }
    }


